Remove unused feedback class in dom distiller component

chrome/browser/android/dom_distiller/distiller_ui_handle_android.cc

Index: chrome/browser/android/dom_distiller/distiller_ui_handle_android.cc
diff --git a/chrome/browser/android/dom_distiller/distiller_ui_handle_android.cc b/chrome/browser/android/dom_distiller/distiller_ui_handle_android.cc
index 494ef52c7e1a0f3d947099242162414b5cc07d41..0b41f9e276d9fc0804e41218ed669314666c044c 100644
--- a/chrome/browser/android/dom_distiller/distiller_ui_handle_android.cc
+++ b/chrome/browser/android/dom_distiller/distiller_ui_handle_android.cc
@@ -19,22 +19,6 @@ namespace dom_distiller {
 namespace android {
 
 // static
-void DistillerUIHandleAndroid::ReportExternalFeedback(
-    content::WebContents* web_contents,
-    const GURL& url,
-    const bool good) {
-  if (!web_contents)
-    return;
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  ScopedJavaLocalRef<jstring> jurl = base::android::ConvertUTF8ToJavaString(
-      env, url_utils::GetOriginalUrlFromDistillerUrl(url).spec());
-
-  Java_DomDistillerUIUtils_reportFeedbackWithWebContents(
-      env, web_contents->GetJavaWebContents(), jurl, good);
-}
-
-// static
 void DistillerUIHandleAndroid::OpenSettings(
     content::WebContents* web_contents) {
   JNIEnv* env = base::android::AttachCurrentThread();